#define button1 2
#define button2 3

#define ledR  10
#define ledY  9
#define ledG  8

void setup() {

  pinMode(ledR, OUTPUT);
  pinMode(ledY, OUTPUT);
  pinMode(ledG, OUTPUT);

  TCCR1A = 0b01010000; //COM1A1 COM1A0 = 0 1 = D9 TOGGLE, COM1B1 COM1B0 = 0 1 = D10 TOGGLE
  TCCR1B = 0b00011100; // CS12 CS11 CS10 = 1 0 0 = CLK / 256 -> timer1_CLK = 16us
  ICR1 = 62499; // 16us*62500 = 1000000 us = 1s
  OCR1A = 1;
  OCR1B = 32000;
}

void loop() {

}